BIRNEY, BETTY G. <br/><br/>
MYSTERIES ACCORDING TO HUMPHREY. 

 -  G.P. PUTNAM'S SONS. 
<br/><br/> HAMSTER, HUMPHREY, HALLOWEEN 
<br/><br/><label>ISBN: </label>978-0-399-25414 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HAMSTER, HUMPHREY